I have developed and documented my methods for cleaning deco, shaped, fancy, specialty bottles. I have had surprising success that far exceed any previous method I have tried (never done tumbling).
I've posted it in the Cleaning and Repairing sub-forum: https://www.antique-bottles.net/showthread.php?688460-Carroll-s-Bottle-Cleaning-Methodology
I've posted it in the Cleaning and Repairing sub-forum: https://www.antique-bottles.net/showthread.php?688460-Carroll-s-Bottle-Cleaning-Methodology